dev-libs/libptytty: look for utmp in /run

No revbump because with the /var/run symlink not going anywhere any time
soon, this is a trivial change.

Signed-off-by: Marek Szuba <marecki@gentoo.org>

dev-libs/libptytty/files/libptytty-2.0-rundir.patch

@@ -0,0 +1,10 @@
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -151,6 +151,7 @@
+   PT_FIND_FILE(
+     utmp
+     PT_UTMP_FILE
++    "/run/utmp"
+     "/var/run/utmp"
+     "/var/adm/utmp"
+     "/etc/utmp"

dev-libs/libptytty/libptytty-2.0.ebuild

@@ -13,4 +13,8 @@ LICENSE="GPL-2+"
 SLOT="0"
 KEYWORDS="~amd64 ~riscv"
 
+PATCHES=(
+	"${FILESDIR}"/${PN}-2.0-rundir.patch
+)
+
 DOCS=( Changes README )